Home / 126,314.52-174,312.54-69,724.68

Finding the Fourth Proportional to 126,314.52, 174,312.54 and 69,724.68

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Solution

The fourth proportional to 126,314.52, 174,312.54 and 69,724.68 is: 96,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,314.52 : 174,312.54 = 69,724.68 : x
  2. Step 2: Convert to fraction form
    126,314.52/174,312.54 = 69,724.68/x
  3. Step 3: Cross multiply
    126,314.52x = 174,312.54 × 69,724.68
  4. Step 4: Simplify right side
    126,314.52x = 12,153,886,071.49
  5. Step 5: Solve for x
    x = 12,153,886,071.49/126,314.52
  6. Step 6: Final answer
    x = 96,219.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.